3n+7(n+6)=-18

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Solution for 3n+7(n+6)=-18 equation:


Simplifying
3n + 7(n + 6) = -18

Reorder the terms:
3n + 7(6 + n) = -18
3n + (6 * 7 + n * 7) = -18
3n + (42 + 7n) = -18

Reorder the terms:
42 + 3n + 7n = -18

Combine like terms: 3n + 7n = 10n
42 + 10n = -18

Solving
42 + 10n = -18

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '-42' to each side of the equation.
42 + -42 + 10n = -18 + -42

Combine like terms: 42 + -42 = 0
0 + 10n = -18 + -42
10n = -18 + -42

Combine like terms: -18 + -42 = -60
10n = -60

Divide each side by '10'.
n = -6

Simplifying
n = -6

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